Import Lease in demo_forms so db_create/db_migrate will find it.

 On branch master
 Changes to be committed:

	modified:   app/forms/demo_forms.py
	modified:   app/model/lease.py
Starting to separate out forms from the tutorial

 On branch master
 Changes to be committed:

	new file:   app/forms/app_forms.py
	modified:   app/forms/demo_forms.py
	modified:   app/view/views.py